METHOD FOR CALIBRATING AN IMAGE RECORDING SYSTEM IN A MOTOR VEHICLE

• US 20120127311A1
• Filed: 11/15/2011
• Published: 05/24/2012
• Est. Priority Date: 10/01/2008
• Status: Abandoned Application

• Current Assignee: Robert Bosch GmbH
• Original Assignee: Robert Bosch GmbH
• Inventors: RUTH, Heiko Gerald, RUHNAU, Paul, BERUSCHA, Frank
• Application Number:
  US13/296,814
• Publication Number:
  US 20120127311A1
• Time in Patent Office: Days
• US Class Current: 348/148
• CPC Class Codes: B60Q 1/06 adjustable, e.g. remotely-controlled from inside vehicle B60Q1/05 takes precedence
• CPC Class Codes: B60Q 1/085 due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers B60Q1/10, B60Q1/12, B60Q1/1423 take precedence
• CPC Class Codes: B60R 2300/402 Image calibration
• CPC Class Codes: G06T 7/80 Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
• CPC Class Codes: H04N 17/002 for television cameras

Abstract

A method for calibrating an image recording system in a motor vehicle, image data being recorded via a camera system from an area which is illuminated by a lighting unit of the motor vehicle, and a modulation of the radiation emitted by the lighting unit being performed to determine the illuminated area.

Claims

1-11. -11. (canceled)

12. A method for calibrating an image recording system in a motor vehicle, the method comprising:

recording image data from an area illuminated by a lighting unit of the motor vehicle via a camera system; and

performing a modulation of radiation emitted by the lighting unit to determine the illuminated area.

13. The method according to claim 12, wherein the modulation is an intensity modulation.

14. The method according to claim 12, wherein the modulation is a spatial modulation.

15. The method according to claim 14, wherein the modulation is performed by pivoting the lighting unit around a horizontal axis or a vertical axis or by combined pivoting around both axes.

16. The method according to claim 12, wherein the image area illuminated by the lighting unit is determined using a method for a night vision system.

17. The method according to claim 12, wherein a visibility determination is performed using the method.

18. The method according to claim 12, wherein a function check of the lighting unit is performed using the method.

19. The method according to claim 12, wherein a function check of the camera system is performed using the method.

20. The method according to claim 12, wherein parameters for verifying an entire recorded image are obtained using the method.

21. The method according to claim 12, wherein the modulation is performed in the scope of an adaptation of the lighting unit to cornering.

22. An image recording system in a motor vehicle, comprising:

a lighting unit;

a camera system for recording image data from an area being illuminated by the lighting unit of the motor vehicle; and

an arrangement for performing a modulation of radiation emitted by the lighting unit to determine the illuminated area.